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Honda ATF over filled #4648426
01/27/18 10:12 PM
01/27/18 10:12 PM
Joined: Feb 2007
Posts: 3,502
Clermont, Florida
Jimmy9190 Offline OP
Jimmy9190  Offline OP

Joined: Feb 2007
Posts: 3,502
Clermont, Florida
I did a drain and fill on the ATF on my Honda Civic today. Thought I would be smart and catch the old ATF in my drain pan and dump it into an empty 5 quart oil jug, then use the jug to measure how much drained out, then put that amount back in. I drove the car a few miles to get the ATF hot, put it on jack stands so it was level. It took about 10 minutes to lift the car, then I checked the ATF dip stick, it was just at the low end of the hash mark area. Fine, I set the drain pan under the car, removed the drain plug and the ATF gushed out all over the place. Most of it went in the pan, some of it splashed out on the floor and on me too. Big oily mess to clean up.

I still put the old fluid that was in the pan into the oil jug, it was just over 2 1/2 quarts. I looked at that, then tried to guesstimate the amount spilled on the floor and figured the total had to be close to 3 quarts. So I put in all 3 quarts of Honda DW1. My Honda owners manual says a drain and fill takes 2.7 quarts. I drove the car a few miles and let it sit maybe 3 minutes, checked the level and it was showing about 3/16" above the full hot mark.

On the test drive, the car ran very well like always, shifted great, much better than before, had no transmission problems at all. There were no bubbles on the dip stick when I checked the level, no evidence of aeration at all. I think I slightly overfilled the ATF by maybe 1/4 of a quart. Question is, would it be best to drain some ATF out or leave it as is? I appreciate any help.


Jimmy9190
2013 Honda Civic LX Sedan
QSUD 0W20
Fram PH7317
Re: Honda ATF over filled [Re: Jimmy9190] #4648434
01/27/18 10:20 PM
01/27/18 10:20 PM
Joined: Sep 2002
Posts: 2,593
VA
Gebo Offline
Gebo  Offline

Joined: Sep 2002
Posts: 2,593
VA
Wouldn't give it another thought. 1 cup overfill is nothing.


'98 LEX LS400 290K
'02 4Runner 230K
'05 Lex LS430 85K
'07 Lex GX470 65K
Amsoil in last two.
Schaeffer in the first two.

Re: Honda ATF over filled [Re: Jimmy9190] #4648451
01/27/18 10:40 PM
01/27/18 10:40 PM
Joined: Feb 2007
Posts: 3,502
Clermont, Florida
Jimmy9190 Offline OP
Jimmy9190  Offline OP

Joined: Feb 2007
Posts: 3,502
Clermont, Florida
Thanks. I think when I did the first drain and fill at 31,000 miles I used 3 whole quarts of DW1 then too. It is hard to get the ATF level in the cross hatch area on the dipstick. I will probably just leave well enough alone.


Jimmy9190
2013 Honda Civic LX Sedan
QSUD 0W20
Fram PH7317
Re: Honda ATF over filled [Re: Jimmy9190] #4648463
01/27/18 10:56 PM
01/27/18 10:56 PM
Joined: Apr 2013
Posts: 2,559
The Northeast
mclasser Offline
mclasser  Offline

Joined: Apr 2013
Posts: 2,559
The Northeast
Drive it for a few days and then recheck the dipstick. After the fluid's settled down it may read at the correct level.


2018 Hyundai Elantra VE
2013 Honda Pilot EX-L 4WD
2002 Honda Accord EX-L

Re: Honda ATF over filled [Re: Jimmy9190] #4648479
01/27/18 11:22 PM
01/27/18 11:22 PM
Joined: Dec 2006
Posts: 19,453
Dallas,Tx USA
aquariuscsm Offline
aquariuscsm  Offline

Joined: Dec 2006
Posts: 19,453
Dallas,Tx USA
Not sure how similar our transmissions are,but when I did the drain/refill on my Accord,it took exactly three quarts to get the level right at the full mark.


1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Pennzoil Platinum HM 10W30

Re: Honda ATF over filled [Re: Jimmy9190] #4648495
01/27/18 11:37 PM
01/27/18 11:37 PM
Joined: Dec 2016
Posts: 8,017
Waco, TX
Linctex Offline
Linctex  Offline

Joined: Dec 2016
Posts: 8,017
Waco, TX
I am about 1/2" over-filled on my 4R75E transmission.

It really doesn't affect anything.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Honda ATF over filled [Re: Jimmy9190] #4648498
01/27/18 11:41 PM
01/27/18 11:41 PM
Joined: Feb 2007
Posts: 3,502
Clermont, Florida
Jimmy9190 Offline OP
Jimmy9190  Offline OP

Joined: Feb 2007
Posts: 3,502
Clermont, Florida
Thanks for the info guys. I feel better about it now. I checked my records on Fuelly and on March 6, 2016 I have an entry that I drained and refilled the ATF with "3 quarts of Honda DW-1". I know that if I had only added 2 1/2 or anything less than 3 quarts I would have made note of it. So I will drive it and check the level next week. If it is overfilled a little I don't believe it will do any damage.


Jimmy9190
2013 Honda Civic LX Sedan
QSUD 0W20
Fram PH7317
Re: Honda ATF over filled [Re: Jimmy9190] #4648516
01/28/18 12:02 AM
01/28/18 12:02 AM
Joined: Aug 2004
Posts: 20,515
CA
The Critic Offline
The Critic  Offline

Joined: Aug 2004
Posts: 20,515
CA
The fluid level should be checked hot, and within 30-60 seconds of engine shut down.

If you wait several minutes, the fluid level with read falsely high.

Last edited by The Critic; 01/28/18 12:02 AM.

2011 Toyota Prius 1.8L - 185K - SuperTech Dexos Full Syn 0W-20
2007 Honda Accord 2.4 - 135K - Mobil 1 EP HM 5W-30
Re: Honda ATF over filled [Re: The Critic] #4648525
01/28/18 12:11 AM
01/28/18 12:11 AM
Joined: Feb 2007
Posts: 3,502
Clermont, Florida
Jimmy9190 Offline OP
Jimmy9190  Offline OP

Joined: Feb 2007
Posts: 3,502
Clermont, Florida
Originally Posted By: The Critic
The fluid level should be checked hot, and within 30-60 seconds of engine shut down.

If you wait several minutes, the fluid level with read falsely high.


I did that, on my test drive when I stopped for gas. It was maybe 30 seconds after I turned off the engine. The level was showing way up on the dip stick, way past the full mark so I gave it a few minutes when I checked it again back at home. I think the amount I put in could be slightly higher than what came out, but not by much.


Jimmy9190
2013 Honda Civic LX Sedan
QSUD 0W20
Fram PH7317
Re: Honda ATF over filled [Re: Jimmy9190] #4648681
01/28/18 08:13 AM
01/28/18 08:13 AM
Joined: Sep 2007
Posts: 426
northern NY
Driz Offline
Driz  Offline

Joined: Sep 2007
Posts: 426
northern NY
When you need to suck any out head to true value get ya10’ of that poly clear plastic tubing. Start sucking . And ya better get that siphon action going down low or next time you’re going to be savoring the taste. cry Or maybe again and again, yucch . I keep some of that 1/4” stuff just for these sort of things.

Re: Honda ATF over filled [Re: Jimmy9190] #4648716
01/28/18 09:06 AM
01/28/18 09:06 AM
Joined: Sep 2004
Posts: 22,369
Central Florida
Mr Nice Offline
Mr Nice  Offline

Joined: Sep 2004
Posts: 22,369
Central Florida
ATF expands when hot.

Next time put 2.5 quarts and test drive, add as needed.

Re: Honda ATF over filled [Re: Jimmy9190] #4648750
01/28/18 09:34 AM
01/28/18 09:34 AM
Joined: Nov 2006
Posts: 21,263
MA, Mittelfranken.de
Trav Offline
Trav  Offline

Joined: Nov 2006
Posts: 21,263
MA, Mittelfranken.de
I wouldn't worry about a few oz but if its really too much get a cheap hand vacuum pump with cup from Hazard Fraught and remove the excess a cup at a time.

https://www.harborfreight.com/brake-bleeder-and-vacuum-pump-kit-69328.html


ASE L1, Master. Deutsch Meisterbrief.
Re: Honda ATF over filled [Re: Jimmy9190] #4648770
01/28/18 09:52 AM
01/28/18 09:52 AM
Joined: Feb 2007
Posts: 3,502
Clermont, Florida
Jimmy9190 Offline OP
Jimmy9190  Offline OP

Joined: Feb 2007
Posts: 3,502
Clermont, Florida
Thanks Trav and Mr. Nice. I have a HF hand pump/fluid extractor. The hose that goes with it may be too big in diameter to fit the trans fill tube but I might find smaller tubing at Home Depot or Lowe's. I think for peace of mind I should probably take out some of the fluid. Maybe there was less spilled on the floor than what it looked like. The car is under an extended warranty but I doubt they would cover an overfilled transmission.


Jimmy9190
2013 Honda Civic LX Sedan
QSUD 0W20
Fram PH7317
Re: Honda ATF over filled [Re: Jimmy9190] #4649142
01/28/18 02:55 PM
01/28/18 02:55 PM
Joined: Feb 2007
Posts: 3,502
Clermont, Florida
Jimmy9190 Offline OP
Jimmy9190  Offline OP

Joined: Feb 2007
Posts: 3,502
Clermont, Florida
Originally Posted By: Jimmy9190
Thanks Trav and Mr. Nice. I have a HF hand pump/fluid extractor. The hose that goes with it may be too big in diameter to fit the trans fill tube but I might find smaller tubing at Home Depot or Lowe's. I think for peace of mind I should probably take out some of the fluid. Maybe there was less spilled on the floor than what it looked like. The car is under an extended warranty but I doubt they would cover an overfilled transmission.


Thanks very much to both of you on this. Looking down the trans fill tube, about 4 inches down is a narrow passageway about 1/4" wide. I could see the ATF below it and the hoses on my fluid pump were way too big to get to the fluid. The pump does have a few various fittings for its hoses though, and I went down to Ace Hardware and bought some 1/4" clear plastic pvc hose and fabbed up the hoses to get to the fluid.

Using an empty DW1 bottle to measure with, I pumped out 12 ounces with the transmission cold, it was not too hard to do. Then I went for a 3 mile test drive, came back, waited about a minute after turning off the ignition, the level was at the low end of the hatch mark area on the stick. Added 4 ounces from what I had pumped out, test drove a mile around the block, came back home and after waiting a minute after turning off the ignition, the level was at 3/4 full on the hatched area on the stick. Car drove and shifted great on both test drives. I am calling it done and a valuable lesson learned, with ATF to put the minimum amount and add small amounts as needed.


Jimmy9190
2013 Honda Civic LX Sedan
QSUD 0W20
Fram PH7317
Re: Honda ATF over filled [Re: Jimmy9190] #4649920
01/29/18 10:17 AM
01/29/18 10:17 AM
Joined: Apr 2017
Posts: 1,522
Ontario, Canada
mightymousetech Offline
mightymousetech  Offline

Joined: Apr 2017
Posts: 1,522
Ontario, Canada
FYI:

2013 Civic/ILX

Quote:

Automatic Transmission Fluid Capacity:
2.5 L (2.6 US qt) at change
6.35 L (6.71 US qt) at overhaul



Last edited by mightymousetech; 01/29/18 10:18 AM.

Mighty Mouse Tech
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